Home / 13,569.32-20,354-3,708.60

Finding the Fourth Proportional to 13,569.32, 20,354 and 3,708.60

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Solution

The fourth proportional to 13,569.32, 20,354 and 3,708.60 is: 5,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.32 : 20,354 = 3,708.60 : x
  2. Step 2: Convert to fraction form
    13,569.32/20,354 = 3,708.60/x
  3. Step 3: Cross multiply
    13,569.32x = 20,354 × 3,708.60
  4. Step 4: Simplify right side
    13,569.32x = 75,484,844.40
  5. Step 5: Solve for x
    x = 75,484,844.40/13,569.32
  6. Step 6: Final answer
    x = 5,562.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.